the first 25 abundant odd numbers:
945 => sum: 1920 
1575 => sum: 3224 
2205 => sum: 4446 
2835 => sum: 5808 
3465 => sum: 7488 
4095 => sum: 8736 
4725 => sum: 9920 
5355 => sum: 11232 
5775 => sum: 11904 
5985 => sum: 12480 
6435 => sum: 13104 
6615 => sum: 13680 
6825 => sum: 13888 
7245 => sum: 14976 
7425 => sum: 14880 
7875 => sum: 16224 
8085 => sum: 16416 
8415 => sum: 16848 
8505 => sum: 17472 
8925 => sum: 17856 
9135 => sum: 18720 
9555 => sum: 19152 
9765 => sum: 19968 
10395 => sum: 23040 
11025 => sum: 22971 
the 1000th abundant odd number: 492975 => sum: 1012336 
the first abundant odd number greater than one billion (10^9): 1000000575 => sum: 2083561584